Let f(x)=-2x+7 and g(x)=-6x+3. find f o g and state its domain.
a. 12x^2 -48x+21; all real numbers
b. -14x^2 + 36x- 18; all real numbers except x=7
c. 12x^2 - 48x+21; all real numbers except x=1
d. -14x^2 + 36x- 18; all real numbers

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Find y to the nearest hundreds place